---
layout: download
board_id: "m5stack_atom_u"
title: "AtomU ESP32 Download"
name: "AtomU ESP32"
manufacturer: "M5Stack"
board_url:
 - "https://docs.m5stack.com/en/core/atom_u"
board_image: "m5stack_atom_u.jpg"
date_added: 2023-01-31
family: esp32
tags:
  - Atom U
features:
  - Wi-Fi
  - USB-C
  - Bluetooth/BTLE
---

ATOM U is a compact low-power consumption speech recognition IoT development kit. It adopts an ESP32 chipset, equipped with 2 low-power Xtensa 32-bit LX6 microprocessors with the main frequency of up to 240MHz. Built-in USB-A interface, IR emitter, programmable RGB LED. Plug-and-play, easy to upload and download programs. Integrated Wi-Fi and digital microphone SPM1423(I2S) for the clear sound record. suitable for HMI, Speech-to-Text (STT).

### Features
- ESP32-PICO-D4 (2.4GHz Wi-Fi dual mode)
- Integrated programmable RGB LED and button
- Compact design
- Built-in IR emitter
- Expandable pinout and GROVE port

## Documentation

* [AtomU ESP32](https://docs.m5stack.com/en/core/atom_u)

## Purchase

* [M5Stack](https://shop.m5stack.com/collections/m5-controllers/products/atomu-esp32-development-kit-with-usb-a)